linux-kernel - [PATCH 1/5] drm/msm/adreno: Split up giant device table

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Message-ID: <20231205220526.417719-2-robdclark@gmail.com>
Date:   Tue,  5 Dec 2023 14:03:27 -0800
From:   Rob Clark <robdclark@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
        Rob Clark <robdclark@...omium.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Johan Hovold <johan+linaro@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/5] drm/msm/adreno: Split up giant device table

From: Rob Clark <robdclark@...omium.org>

Split into a separate table per generation, in preparation to move each
gen's device table to it's own file.

Signed-off-by: Rob Clark <robdclark@...omium.org>
---
 drivers/gpu/drm/msm/adreno/adreno_device.c | 59 +++++++++++++++++++---
 1 file changed, 51 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 41b13dec9bef..36392801f929 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -20,7 +20,7 @@ bool allow_vram_carveout = false;
 MODULE_PARM_DESC(allow_vram_carveout, "Allow using VRAM Carveout, in place of IOMMU");
 module_param_named(allow_vram_carveout, allow_vram_carveout, bool, 0600);
 
-static const struct adreno_info gpulist[] = {
+static const struct adreno_info a2xx_gpus[] = {
 	{
 		.chip_ids = ADRENO_CHIP_IDS(0x02000000),
 		.family = ADRENO_2XX_GEN1,
@@ -55,6 +55,12 @@ static const struct adreno_info gpulist[] = {
 		.inactive_period = DRM_MSM_INACTIVE_PERIOD,
 		.init  = a2xx_gpu_init,
 	}, {
+		/* sentinal */
+	}
+};
+
+static const struct adreno_info a3xx_gpus[] = {
+	{
 		.chip_ids = ADRENO_CHIP_IDS(
 			0x03000512,
 			0x03000520
@@ -110,6 +116,12 @@ static const struct adreno_info gpulist[] = {
 		.inactive_period = DRM_MSM_INACTIVE_PERIOD,
 		.init  = a3xx_gpu_init,
 	}, {
+		/* sentinal */
+	}
+};
+
+static const struct adreno_info a4xx_gpus[] = {
+	{
 		.chip_ids = ADRENO_CHIP_IDS(0x04000500),
 		.family = ADRENO_4XX,
 		.revn  = 405,
@@ -143,6 +155,12 @@ static const struct adreno_info gpulist[] = {
 		.inactive_period = DRM_MSM_INACTIVE_PERIOD,
 		.init  = a4xx_gpu_init,
 	}, {
+		/* sentinal */
+	}
+};
+
+static const struct adreno_info a5xx_gpus[] = {
+	{
 		.chip_ids = ADRENO_CHIP_IDS(0x05000600),
 		.family = ADRENO_5XX,
 		.revn = 506,
@@ -268,6 +286,12 @@ static const struct adreno_info gpulist[] = {
 		.init = a5xx_gpu_init,
 		.zapfw = "a540_zap.mdt",
 	}, {
+		/* sentinal */
+	}
+};
+
+static const struct adreno_info a6xx_gpus[] = {
+	{
 		.chip_ids = ADRENO_CHIP_IDS(0x06010000),
 		.family = ADRENO_6XX_GEN1,
 		.revn = 610,
@@ -493,6 +517,12 @@ static const struct adreno_info gpulist[] = {
 		.hwcg = a690_hwcg,
 		.address_space_size = SZ_16G,
 	}, {
+		/* sentinal */
+	}
+};
+
+static const struct adreno_info a7xx_gpus[] = {
+	{
 		.chip_ids = ADRENO_CHIP_IDS(0x07030001),
 		.family = ADRENO_7XX_GEN1,
 		.fw = {
@@ -522,7 +552,18 @@ static const struct adreno_info gpulist[] = {
 		.zapfw = "a740_zap.mdt",
 		.hwcg = a740_hwcg,
 		.address_space_size = SZ_16G,
-	},
+	}, {
+		/* sentinal */
+	}
+};
+
+static const struct adreno_info *gpulist[] = {
+	a2xx_gpus,
+	a3xx_gpus,
+	a4xx_gpus,
+	a5xx_gpus,
+	a6xx_gpus,
+	a7xx_gpus,
 };
 
 MODULE_FIRMWARE("qcom/a300_pm4.fw");
@@ -557,12 +598,14 @@ static const struct adreno_info *adreno_info(uint32_t chip_id)
 {
 	/* identify gpu: */
 	for (int i = 0; i < ARRAY_SIZE(gpulist); i++) {
-		const struct adreno_info *info = &gpulist[i];
-		if (info->machine && !of_machine_is_compatible(info->machine))
-			continue;
-		for (int j = 0; info->chip_ids[j]; j++)
-			if (info->chip_ids[j] == chip_id)
-				return info;
+		for (int j = 0; gpulist[i][j].chip_ids; j++) {
+			const struct adreno_info *info = &gpulist[i][j];
+			if (info->machine && !of_machine_is_compatible(info->machine))
+				continue;
+			for (int k = 0; info->chip_ids[k]; k++)
+				if (info->chip_ids[k] == chip_id)
+					return info;
+		}
 	}
 
 	return NULL;
-- 
2.42.0